Three-layer frame solid wood floor with balance unloading grooves

Abstract

The utility model belongs to the technical field of building decoration materials, and relates to a three-layer frame solid wood floor with a balanced unloading groove, which sequentially comprises a surface layer, a frame core plate layer and a back plate from top to bottom, a frame and a middle spacing bar of the frame core plate layer are enclosed by pine strips to form a Chinese character lv shape, a plurality of pine blocks are filled in the Chinese character lv shape, and the pine blocks are arranged in the Chinese character lv shape. The pine long strips are diameter-cut wood strips; each pine block is formed by gluing two pine beams with different chordwise directions in the length direction, and a balance groove is formed in the middle edge of each pine block in the length direction and penetrates through the core plate layer; the long saw grooves in the surfaces of every two adjacent pine blocks arranged in the length direction of the frame core plate layer in a filling mode are perpendicular to each other. A force unloading groove is formed in the position, 1 / 5 away from the edge, of the two long edges of each pine long strip in the width direction of the frame core plate layer and penetrates through the core plate layer. According to different mechanical properties of wood in different texture directions, internal stress balance of the frame structure is achieved, the tension of the core plate is reduced, and deformation and cracking in the floor heating environment are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to building decoration material technical field relates to floor especially relates to a three -layer frame solid wood floor with balanced unloading groove. BACKGROUND

[0002] The current frame floor mainly adopts the whole core plate to be piled up, reaches the effect of stable frame structure through the adjustment of the placement mode between different layers, but this does not play a supporting role for the material saving and the overall stability of the structure, does not reach the stability of the structure through the mutual restriction between mechanics, so that there is no batch promotion value on industrialized production.

[0003] The announcement number CN205116649U discloses a three -layer solid wood composite frame floor, and provides a product structure including core plate, and the core plate is formed by three -layer frame plate, and the three -layer frame plate is staggered, forms the mortise and the groove on the both sides of the core plate, and the three -layer frame plate includes the main plate and the side plate that is attached on the both sides of the main plate;The upper of core plate is equipped with surface plate, and the lower of core plate is equipped with bottom plate, can realize the effective utilization of the corner excess material, protects the precious tree species, low carbon environmental protection.

[0004] The announcement number CN206016148U discloses a frame type solid wood composite floor, which comprises a thick core six-face frame structure composed of thick core plate one, thick core plate two, thick core plate three and thick core bottom plate;The thick core six-face frame structure is attached with a solid wood surface plate, and the frame type solid wood composite floor adopts the thick core six-face frame structure, reduces the floor layer number, has the same longitudinal and transverse staggered net structure as the multi-layer solid wood composite floor, significantly reduces the amount of glue, reduces the production process and labor cost.

[0005] However, the above frame type floor, due to the change of the physicochemical properties of the material in the long-term use process, the core plate layer structure cannot remain stable in the whole use cycle SUMMARY

[0006] In order to overcome the defects of the prior art, the utility model provides a three -layer frame solid wood floor with balanced unloading groove, through the adjustment of floor structure, increases the mutual force restriction between each layer of wood, improves the stability of three -layer solid wood floor.

[0007] TECHNICAL SCHEME

[0008] Three-layer frame solid wood floor with balanced unloading grooves, from top to bottom, in sequence, are surface layer, frame core board layer and back plate, the frame core board layer's edge frame and middle spacer are surrounded by pine long strip into "ly" shape, wherein, the pine long strip is radial cut wood strip, the pine block is glued by two pine square of different chord direction in length direction, balanced groove is arranged at the middle edge of each pine block in length direction, the width is 0.8-1.0mm, the length is 2cm, and the balanced groove penetrates the core board layer, the long sawn grooves of the surfaces of the adjacent two pine blocks filled along the length direction of the frame core board layer are perpendicular to each other, and the frame core board layer is provided with unloading grooves at the positions of 1 / 5 of the two long edges of the pine long strip away from the edge in the width direction of the frame core board layer, the width is 1.0-2.0mm, the length is 1cm, and the unloading grooves penetrate the core board layer.

[0009] The utility model discloses the better public example, the pine block surface is staggered and is provided with long and short sawn grooves parallel or perpendicular to the length direction, wherein, the length of short sawn groove is 1 / 3 of the width of pine block, the groove width is 1-3mm, preferably 2mm, the length of long sawn groove is 5 / 9 of the width of pine block, the groove width is 1-3mm, preferably 2mm, the interval of the adjacent two sawn grooves is 4-12mm, preferably 8mm, and the relative two sawn grooves are on the same line.

[0010] The utility model discloses the better public example, the surface layer is natural wood skin, and the thickness is 0.6-4.0mm, preferably 3.0mm, and the material is oak, black walnut, white ash, jackwood and maple etc.

[0011] The utility model discloses the better public example, the width of pine long strip is no less than 2cm, so as to guarantee the strength of the whole frame core board.

[0012] The utility model discloses the better public example, the back plate is solid wood veneer, and the thickness is 1.2-2.5mm, preferably 2.0mm, and the material is birch, poplar, fir etc.

[0013] Further, the surface layer, the frame core board layer and the back plate are integrated by adhesive pressure bonding.

[0014] Beneficial effects

[0015] The three-layer frame solid wood floor with balanced unloading grooves disclosed by the utility model, compared with the existing frame structure, uses the core board made of small pieces of leftover materials, can reduce the production cost, utilizes the different mechanical properties of different texture directions of wood, realizes the stress balance of the frame structure, reduces the tension generated by the core board on the surface layer and the back plate, reduces the cracking, and reduces the risk of deformation and cracking in the environment of floor heating. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The three-dimensional structure schematic diagram of three-layer frame solid wood floor with balanced unloading grooves.

[0017] Figure 2 Structure diagram of frame core board layer;

[0018] Figure 3 Structure diagram of two pine blocks with different radial arrangement, surface with long and short saw slots and balance slots;

[0019] In the figure, the respective marks are 1, surface layer, 2, frame core board layer, 3, back plate, 4, pine strip, 5, pine block, 6, balance slot, 7, force relief slot, 8, short saw slot, 9, long saw slot. DETAILED DESCRIPTION

[0020] The utility model will be described in detail in combination with examples, so that the person skilled in the art can better understand the utility model, but the utility model is not limited to the following examples.

[0021] Example 1

[0022] A three-layer frame solid wood floor with balance force relief slots, from top to bottom, is sequentially a surface layer 1, a frame core board layer 2 and a back plate 3, the frame core board layer 2 is surrounded by pine strips 4 in a "LY" shape, and a plurality of pine blocks 5 are filled therein, wherein the pine strips 4 are radial cut wood strips; the pine blocks 5 are glued by two pine squares with different chord directions in the length direction, and a balance slot 6 is arranged at the middle edge of each pine block 5 in the length direction, with a width of 0.8-1.0 mm, a length of 2 cm and penetrating through the core board layer; the long saw slots 9 on the surfaces of the adjacent two pine blocks 5 filled along the length direction of the frame core board layer 2 are perpendicular to each other; the frame core board layer 2 is provided with a force relief slot 7 at 1 / 5 of the two long edges of the pine strips 4 in the width direction, with a width of 1.0-2.0 mm, a length of 1 cm and penetrating through the core board layer.

[0023] Example 2

[0024] A three-layer frame solid wood floor with balanced unloading grooves, comprising, from top to bottom, a surface layer 1, a frame core layer 2 and a back layer 3, the frame core layer 2 is surrounded by pine long strips 4 in the shape of "Lu" with several pine blocks 5 filled therein, wherein the pine long strips 4 are radial cut wood strips; the pine blocks 5 are glued in length direction by two pine squares with different tangential directions, and a balanced groove 6 with a width of 0.8-1.0 mm and a length of 2 cm is arranged on the central edge of each pine block 5 in length direction and penetrates the core layer; the long saw grooves 9 on the surfaces of two adjacent pine blocks 5 filled in length direction of the frame core layer 2 are perpendicular to each other; long and short saw grooves are staggered on the surface of the pine block 5 in parallel or perpendicular to the length direction, wherein the length of the short saw groove 8 is 1 / 3 of the width of the pine block 5, and the groove width is 1.2 mm; the length of the long saw groove 9 is 5 / 9 of the width of the pine block 5, and the groove width is 2 mm; the distance between two adjacent saw grooves is 8 mm, and the two saw grooves are on the same line; the frame core layer 2 is provided with unloading grooves 7 with a width of 1.0-2.0 mm and a length of 1 cm at 1 / 5 of the distance from the two long edges of the pine long strips 4 in the width direction and penetrates the core layer.

[0025] Example 3

[0026] A three-layer frame solid wood floor with balanced unloading grooves, comprising, from top to bottom, a surface layer 1, a frame core layer 2 and a back layer 3, the frame core layer 2 is surrounded by pine long strips 4 in the shape of "Lu" with several pine blocks 5 filled therein, wherein the surface layer 1 is natural wood skin with a thickness of 3.0 mm and a material of oak, black walnut, white ash, rosewood and maple; the pine long strips 4 are radial cut wood strips; the pine blocks 5 are glued in length direction by two pine squares with different tangential directions, and a balanced groove 6 with a width of 0.8-1.0 mm and a length of 2 cm is arranged on the central edge of each pine block 5 in length direction and penetrates the core layer; the long saw grooves 9 on the surfaces of two adjacent pine blocks 5 filled in length direction of the frame core layer 2 are perpendicular to each other; long and short saw grooves are staggered on the surface of the pine block 5 in parallel or perpendicular to the length direction, wherein the length of the short saw groove 8 is 1 / 3 of the width of the pine block 5, and the groove width is 1.2 mm; the length of the long saw groove 9 is 5 / 9 of the width of the pine block 5, and the groove width is 2 mm; the distance between two adjacent saw grooves is 8 mm, and the two saw grooves are on the same line; the frame core layer 2 is provided with unloading grooves 7 with a width of 1.0-2.0 mm and a length of 1 cm at 1 / 5 of the distance from the two long edges of the pine long strips 4 in the width direction and penetrates the core layer; the back layer 3 is solid wood veneer with a thickness of 2.0 mm and a material of birch, poplar and cedar; the surface layer 1, the frame core layer 2 and the back layer 3 are integrated by pressure bonding with adhesive.

[0027] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A three-layer frame solid wood floor with balanced unloading grooves, comprising, from top to bottom, a surface layer (1), a frame core layer (2) and a back layer (3), the frame core layer (2) is surrounded by pine long strips (4) in the shape of "L", wherein a plurality of pine blocks (5) are arranged. The pine long strip (4) is a radial cut wood strip; the pine block (5) is glued by two pine squares with different chord directions in the length direction, and a balance groove (6) with a width of 0.8-1.0 mm and a length of 2 cm is arranged at the middle edge of the length direction of each pine block (5) and penetrates the core layer; the long saw grooves (9) on the surfaces of two adjacent pine blocks (5) filled along the length direction of the frame core layer (2) are perpendicular to each other; the frame core layer (2) is provided with a force relieving groove (7) with a width of 1.0-2.0 mm and a length of 1 cm at 1 / 5 of the long edges of the pine long strips (4) away from the edge in the width direction of the frame core layer (2) and penetrates the core layer; the surface layer (1), the frame core layer (2) and the back plate (3) are integrally bonded by an adhesive.

2. The three-layer frame solid wood floor with balanced force relieving grooves according to claim 1, characterized in that: Long and short saw grooves are arranged on the surface of the pine block (5) in parallel or perpendicular to the length direction, wherein the length of the short saw groove (8) is 1 / 3 of the width of the pine block (5), and the groove width is 1-3 mm; the length of the long saw groove (9) is 5 / 9 of the width of the pine block (5), and the groove width is 1-3 mm; the distance between the two adjacent saw grooves is 4-12 mm, and the two saw grooves are on the same line.

3. The three-layer frame solid wood floor with balanced force relieving grooves according to claim 2, characterized in that: The groove width of the short saw groove (8) is 2 mm.

4. The three-layer frame solid wood floor with balance unloading grooves according to claim 2, characterized in that: The groove width of the long saw groove (9) is 2 mm.

5. The three-layer frame solid wood floor with balance unloading grooves according to claim 2, characterized in that: The distance between the two adjacent saw grooves is 8 mm.

6. The three-layer frame solid wood floor with balance unloading grooves according to claim 1, characterized in that: The surface layer (1) is a natural wood skin with a thickness of 0.6-4.0 mm and a material of oak, black walnut, white ash, teak or maple.

7. The three-layer frame solid wood floor with balance unloading grooves according to claim 6, characterized in that: The thickness of the surface layer (1) is 3.0 mm.

8. The three-layer frame solid wood floor with balance unloading grooves according to claim 1, characterized in that: The width of the pine long strip (4) is not less than 2 cm to ensure the strength of the whole frame core layer.

9. The three-layer frame solid wood floor with balance unloading grooves according to claim 1, characterized in that: The back plate (3) is a solid wood veneer with a thickness of 1.2-2.5 mm and a material of birch, poplar or fir.

10. The three-layer frame solid wood floor with balance unloading grooves according to claim 9, characterized in that: The thickness of the back plate is 2.0 mm.

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